Home / 149,617.20-224,314.20-90,440.40

Finding the Fourth Proportional to 149,617.20, 224,314.20 and 90,440.40

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Solution

The fourth proportional to 149,617.20, 224,314.20 and 90,440.40 is: 135,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,617.20 : 224,314.20 = 90,440.40 : x
  2. Step 2: Convert to fraction form
    149,617.20/224,314.20 = 90,440.40/x
  3. Step 3: Cross multiply
    149,617.20x = 224,314.20 × 90,440.40
  4. Step 4: Simplify right side
    149,617.20x = 20,287,065,973.68
  5. Step 5: Solve for x
    x = 20,287,065,973.68/149,617.20
  6. Step 6: Final answer
    x = 135,593.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.